:root{--brand-green-dark: #1E4D2B;--brand-green-light: #2A8C4A;--brand-orange-accent: #E87722;--brand-background-light: #F9FBFB;--brand-background-subtle: #E0F2F1;--primary-color: var(--brand-green-light);--primary-hover: #247a40;--secondary-color: var(--brand-orange-accent);--secondary-hover: #d06a1e;--dark-color: #212529;--light-color: #fff;--grey-color: #f8f9fa;--border-color: #dee2e6;--shadow-color: rgba(0, 0, 0, .08);--font-primary: "Inter", sans-serif;--font-secondary: "Poppins", sans-serif}body{font-family:var(--font-primary);line-height:1.6;background-color:var(--brand-background-light);background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 800 800' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.02'/%3E%3C/svg%3E");color:var(--dark-color);margin:0;padding-top:90px}.container{max-width:1200px;margin:0 auto;padding:0 20px}h1,h2,h3{font-family:var(--font-secondary);font-weight:600;margin-top:0;color:var(--brand-green-dark)}a{color:var(--primary-color);text-decoration:none}.main-header{background:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 2px 10px var(--shadow-color);position:fixed;top:0;left:0;width:100%;z-index:1000}.main-header .container{display:flex;justify-content:space-between;align-items:center;height:90px}.logo-container .logo{font-size:2.2rem;color:var(--brand-green-dark);font-weight:700;margin:0;line-height:1}.logo-container .tagline{font-size:.85rem;color:#555;margin:0}.main-nav .nav-link{padding:10px 15px;font-weight:600;color:#555;transition:color .3s,border-bottom .3s;border-bottom:3px solid transparent}.main-nav .nav-link:hover,.main-nav .nav-link.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.interface-section{padding:40px 0}.section-header{text-align:center;margin-bottom:50px}.section-title{font-size:2.5rem;margin-bottom:10px}.section-subtitle{font-size:1.2rem;color:#666;max-width:600px;margin:0 auto}.card{background:var(--light-color);border-radius:12px;border:1px solid var(--border-color);padding:30px;margin-bottom:30px;box-shadow:0 1px 2px #00000008,0 4px 8px #00000008,0 10px 20px #00000008;transition:transform .3s,box-shadow .3s}.card:hover{transform:translateY(-5px);box-shadow:0 2px 4px #0000000d,0 8px 16px #0000000d,0 15px 30px #0000000d}.card-title{font-size:1.5rem;margin-bottom:25px;display:flex;align-items:center;gap:12px;color:var(--brand-green-dark)}.card-title .material-icons{font-size:1.8rem;color:var(--primary-color)}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:#555}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}input[type=text],input[type=number],input[type=date]{width:100%;padding:12px 15px;border:1px solid #ccc;border-radius:8px;font-size:1rem;box-sizing:border-box;transition:border-color .3s,box-shadow .3s}input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2a8c4a26}.btn{padding:12px 28px;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .3s;display:inline-flex;align-items:center;gap:8px;box-shadow:0 2px 5px #0000001a}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 10px #00000026}.btn-primary{background-color:var(--primary-color);color:var(--light-color)}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary-color);color:var(--light-color)}.btn-secondary:hover{background-color:var(--secondary-hover)}.estimation-tool{display:grid;grid-template-columns:1fr 1fr auto;align-items:flex-end;gap:20px}.surplus-result-container{background:var(--brand-background-subtle);padding:15px;border-radius:8px;text-align:center;font-weight:600;color:var(--brand-green-dark);grid-column:1 / -1;display:none}.surplus-result-container .highlight{color:var(--brand-orange-accent)}#map{height:400px;width:100%;border-radius:8px;background:var(--grey-color)}.marketplace-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:25px}.marketplace-item{border:none;border-radius:10px;overflow:hidden;box-shadow:0 1px 2px #0000000d,0 4px 8px #0000000d;transition:box-shadow .3s,transform .3s;cursor:pointer}.marketplace-item:hover{transform:translateY(-3px);box-shadow:0 4px 8px #00000012,0 8px 16px #00000012}.item-header{padding:15px;background:#fff;font-weight:600;color:var(--brand-green-dark);border-bottom:1px solid var(--border-color)}.item-body{padding:15px;background:#fff}.item-body p{margin:0 0 12px;display:flex;align-items:center;gap:10px;color:#555;font-size:.95rem}.item-body p .material-icons{color:#888}.item-footer{padding:10px 15px;border-top:1px solid #f0f0f0;background:var(--grey-color);text-align:right}.status{padding:5px 12px;border-radius:20px;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.status-available{background-color:var(--brand-background-subtle);color:var(--brand-green-dark)}.status-claimed{background-color:#fff3e0;color:#e65100}.status-collected{background-color:#e3f2fd;color:#0d47a1}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:none;align-items:center;justify-content:center;z-index:2000}.modal-content{background:var(--light-color);padding:30px;border-radius:12px;width:90%;max-width:600px;box-shadow:0 10px 30px #00000026}.modal-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:15px;margin-bottom:20px}.close-modal-btn{background:none;border:none;font-size:2.2rem;font-weight:300;cursor:pointer;color:#888;transition:color .3s}.close-modal-btn:hover{color:var(--dark-color)}.modal-footer{margin-top:25px;padding-top:20px;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;gap:15px}@media(max-width:768px){body{padding-top:80px}.main-header .container{height:auto;flex-direction:column;padding:15px}.logo-container{text-align:center;margin-bottom:10px}.main-nav{margin-top:10px}.form-grid,.estimation-tool{grid-template-columns:1fr}}